68994422189 has 16 divisors (see below), whose sum is σ = 86030223360. Its totient is φ = 53754885360.

The previous prime is 68994422149. The next prime is 68994422219. The reversal of 68994422189 is 98122449986.

It is not a de Polignac number, because 68994422189 - 2²⁰ = 68993373613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68994422149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 582032 + ... + 690470.

It is an arithmetic number, because the mean of its divisors is an integer number (5376888960).

Almost surely, 2^68994422189 is an apocalyptic number.

It is an amenable number.

68994422189 is a deficient number, since it is larger than the sum of its proper divisors (17035801171).

68994422189 is a wasteful number, since it uses less digits than its factorization.

68994422189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116720.

The product of its digits is 17915904, while the sum is 62.

The spelling of 68994422189 in words is "sixty-eight billion, nine hundred ninety-four million, four hundred twenty-two thousand, one hundred eighty-nine".